Cast: Kim Mingyu as Kim Mingyu OC as Yoon Seol Two childhood friends, after being apart for ten years, are being tingled up with fate again in an unexpected situation. A great deal of pain must be acquired before one can be happy. And even so, that is not enough. Kim Mingyu has to fight with himself as he sees many weird things happening around him. No one can be trusted, even he cannot trust himself. As Yoon Seol, has already decided to be a peace-maker, ready to catch the bad guys and being devoted to the law, what will she do? Will happiness will eventually come without expecting something in return? Or, the sacrifice must be done in order to obtain the happiness? Or, would a blood shed be needed?